Effect of cement modification on expansive soil slope
Effect of cement modification on expansive soil slope
The swelling characteristic is most important for expansive soil, and it is one of the main factors that cause the disaster of expansive soil slope. After mixing with cement, the engineering behaviours of the expansive soil get improved and, in particular, the swelling characteristic basically disappears. In this paper, Nanyang middle expansive soil, which is encountered in the Middle Route of South-North Water Transfer Project, was studied on the long-term effects. The optimum amount of cement content is determined according to the free swelling ratio. The long-term improvement of swelling potential, strength and modulus are studied by laboratory tests. Based on test results, numerical modelling was used to evaluate the plastic zone development and safety of the expansive soil slope. In addition, a method to determine the thickness of cement treatment was proposed.
1152-1156
Huang, Bin
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Zhang, Yuting
821b7687-fe98-4525-b641-2ea503797319
Shen, Jian
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Li, Jingjing
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Xu, Jianming
0f86411b-4727-4737-ba01-6fd64aac2c5d
1 January 2023
Huang, Bin
dbc73278-0b9b-4142-b816-4a8ca4d527cd
Zhang, Yuting
821b7687-fe98-4525-b641-2ea503797319
Shen, Jian
14b31283-1d59-4fba-8053-b017c3769828
Li, Jingjing
d7387469-c913-496d-86bd-b2bb2c5b68d3
Xu, Jianming
0f86411b-4727-4737-ba01-6fd64aac2c5d
Huang, Bin, Zhang, Yuting, Shen, Jian, Li, Jingjing and Xu, Jianming
(2023)
Effect of cement modification on expansive soil slope.
In,
Smart Geotechnics for Smart Societies.
CRC Press, .
(doi:10.1201/9781003299127-163).
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Book Section
Abstract
The swelling characteristic is most important for expansive soil, and it is one of the main factors that cause the disaster of expansive soil slope. After mixing with cement, the engineering behaviours of the expansive soil get improved and, in particular, the swelling characteristic basically disappears. In this paper, Nanyang middle expansive soil, which is encountered in the Middle Route of South-North Water Transfer Project, was studied on the long-term effects. The optimum amount of cement content is determined according to the free swelling ratio. The long-term improvement of swelling potential, strength and modulus are studied by laboratory tests. Based on test results, numerical modelling was used to evaluate the plastic zone development and safety of the expansive soil slope. In addition, a method to determine the thickness of cement treatment was proposed.
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Published date: 1 January 2023
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© 2023 selection and editorial matter, Askar Zhussupbekov, Assel Sarsembayeva & Victor N. Kaliakin; individual chapters, the contributors.
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Local EPrints ID: 505898
URI: http://eprints.soton.ac.uk/id/eprint/505898
PURE UUID: 9db1c6d5-0742-490c-916c-426eefc26a80
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Date deposited: 22 Oct 2025 16:57
Last modified: 23 Oct 2025 02:26
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Author:
Bin Huang
Author:
Yuting Zhang
Author:
Jian Shen
Author:
Jingjing Li
Author:
Jianming Xu
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